piriform sinus

noun

variants or pyriform sinus or piriform recess or pyriform recess or piriform fossa or pyriform fossa
: a small cavity or pocket between the lateral walls of the pharynx on each side and the upper part of the larynx

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Cite this Entry

“Piriform sinus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/piriform%20sinus. Accessed 27 Feb. 2025.

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